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PROPERTY AND EQUIPMENT
 6 Months Ended
Jun. 30, 2023
PROPERTY AND EQUIPMENT  
PROPERTY AND EQUIPMENT

(4)   PROPERTY AND EQUIPMENT

The components of property and equipment are as follows (in thousands):

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​

​

​

​

​

​

​

​

    

June 30, 2023

    

December 31, 2022

Property and equipment

​

​

  

 

​

  

Office furniture and equipment

​

$

3,105

​

$

2,819

Assembly equipment

​

 

141

​

 

110

Vehicles

​

 

203

​

 

203

Leasehold improvements

​

 

1,173

​

 

1,173

Leased devices

​

​

1,289

​

​

1,162

Capital projects

​

 

137

​

 

—

​

​

$

6,048

​

$

5,467

Less accumulated depreciation

​

 

(3,675)

​

 

(3,292)

​

​

$

2,373

​

$

2,175

​

Total depreciation expense related to our property and equipment was $0.2 million for the three months ended June 30, 2023 and 2022. Depreciation expense for the six month periods ended June 30, 2023 and 2022 was $0.4 million.

Total depreciation expense related to devices out on lease was $0.5 million and $0.4 million for the three months ended June 30, 2023 and 2022, respectively. Depreciation expense related to devices out on lease was $0.9 million and $0.7 million for the six months ended June 30, 2023 and 2022, respectively. Depreciation on leased units is reflected on the income statement as cost of revenue.

The Company monitors devices out on lease for potential loss and places an estimated reserve on the net book value based on an analysis of the number of units which are still with patients for which the Company cannot determine the current status.